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NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro-
vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the
machine.
ELECTRICAL DIAGRAMS
G-5
LN-15
PC BOARD ASSEMBLY - BOOST - (M19753-2)
MAKE PER E1911& E3875
TEST PER E4036-BT
ENCAPSULATE WITH ITEM 9
SCHEMATIC REFERENCE: L11818-2K0
ISO VIEW
REFERENCE ONLY
1
2
3
4
4
5
6
7
8
N.G.
N.G.
N.G.
N.G.
N.H.
NOTES:
N.A. CAUTION: THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC ELECTRICITY.
SEE E2454 BEFORE HANDLING.
N.B. MODULE IDENTIFICATION LABEL TO BE PLACED IN THIS AREA.
N.C. MOLEX CAVITES AND AREA AROUND LOCKING TAB TO BE FREE OF POTTING MATERIAL. MASK PER
APPROPRIATE MANUFACTURING WORK INSTRUCTIONS.
N.D. TORQUE TO 3.0 in. lbs. +/-10%.
N.E. ENCAPSULATE TO WITHIN .10 OF TRAY TOP. WHILE APPLYING ENCAPSULATION, APPLY SOME
OVER THE TOP OF ITEM 11.
N.F. PRINT “M19753-[ ] “ (LATEST DASH NUMBER AND I.D. CODE) BOARD LABEL.
N.G. ASSEMBLE ITEMS 1 THROUGH ITEMS 4 AS SHOWN. TORQUE MODULE TO 15-20 IN. LBS.
N.H. ASSEMBLE P.C. BOARD WITH CAPACITORS LOCATED AS SHOWN.
EN-170
M19753-2
LN-15
BOOST BD HEATSINK ASBLY
1:1
M19753-1
FEI
UNLESS OTHERWISE SPECIFIED TOLERANCE
MANUFACTURING TOLERANCE PER E2056
ON 2 PLACE DECIMALS IS ± .02
ON 3 PLACE DECIMALS IS ± .002
ON ALL ANGLES IS ± .5 OF A DEGREE
WITH PUBLISHED STANDARDS.
MATERIAL TOLERANCE (" ") TO AGREE
t
DO NOT SCALE THIS DRAWING
DRAWN BY:
DESIGN INFORMATION
ENGINEER:
APPROVED:
REFERENCE:
EQUIPMENT TYPE:
SUBJECT:
SCALE:
M19753-2
MATERIAL
DISPOSITION:
APPROVAL
DATE:
PROJECT
NUMBER:
UF
CRM22115-EF
1
PAGE ___ OF ___
1
ENGINEERING CONTROLLED
MANUFACTURER:
No
DOCUMENT
NUMBER:
DOCUMENT
REVISION:
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.
PROPRIETARY & CONFIDENTIAL:
C
05/12/2003
REVISED ITEM 4 WASHER
CHANGE DETAIL:
S
O
L
I
D
E
D
G
E
STRP
10 11
12
MANUFACTURED AS:
M19753-2K0
IDENTIFICATION CODE
}
P.C. BOARD BLANK INFORMATION
BUY COMPLETE AS M19753-K (4 LAYER BOARD PER E3281)
(MAKES 8 BOARDS PER PANEL. SEE ELECTRONIC FILE FOR ADDITIONAL INFORMATION)
PANEL SIZE PER E1911
N.A.
N.C.
N.D.
N.B.
N.F.
ITEM PART NO. DESCRIPTION QTY
1M19996 HEAT SINK 1
2S25347-1 THERMAL INTERFACE PAD 1
N.A. 3 M16100-57 ELECTRONIC MODULE ASBLY 1
CF000012 1/4-20X.50HHCS 2
T12735-3 SPRING WASHER 2
CF000017 1/4-20 HN 2
5S25346-1 GASKET 1
6M19436-8 POTTING TRAY 1
7S8025-96 SELF TAPPING SCREW 2
8SEE ABOVE BOOST PC BD BLANK 1
*9E2527 EPOXY ENCAPSULATING RESIN
10 S20590-2 HEAT SINK 1
11 S25253-1 HEAT SINK MOUNTING CLIP 1
N.B., N.F. 12 E3768-4 LABEL 2
* THESE ITEMS NOT SHOWN
4
J47
C1
C7
C6
C4
C5
DZ1
DZ2
D1
R10
R9
R11
R18
R17
R19
R7
R8
R5
R12
R6
X1
R20
C21
R55
X2
R52
R51
R40
R39
R38
R37
R21
Q7
Q6
Q5
D6
DZ7
DZ6
C14
C9
+
-
C10
+
-
BOOST SUPPLY
M19753-
2
DZ8
FTP7
FTP4
FTP6
FTP5
FTP8
TP1
R60
C24
R63
R64
R62
D7
R70
R68
R67
R71
R72
D8
R69
R66
R65
D9
DZ9
R2 R1
A1
C29
C11
C3
D2
R14 R15 R16
C26
R61
R75
R73
R74
C12
C8
L1
Q1
TP2
C28
ITEM REQ'D PART NO. DESCRIPTION
C1,C11 2 S13490-173 CAPACITOR,PEMF,1.0,63V,10%
C3,C7,C14,C28 4 S16668-11 CAPACITOR,CEMO,0.1, 50V,10%
C4 1S16668-2 CAPACITOR,CEMO,47P, 100V,5%
C5,C62S16668-10 CAPACITOR,CEMO,4700P, 50V,2%
C8,C12 2 S13490-197 CAPACITOR,ALEL,82,35V,20%,LOW-ESR
C9,C10 2 S13490-195 CAPACITOR,ALEL,1200,160V,20%
C21,C26,C29 3 S16668-5 CAPACITOR,CEMO,.022,50V,20%
C241T11577-38 CAPACITOR,CD,.02,600V,+80/-20%
D1 1T12705-23 DIODE,SCHOTTKY,AXLDS,1A,30V,1N5818
D2,D6,D7,D8,D9 5 T12705-34 DIODE,AXLDS,1A,400V,FR,1N4936
DZ11T12702-58 ZENER DIODE,5W,16V,5% 1N5353B
DZ2,DZ9 2 T12702-45 ZENER DIODE, 1W,18V,5% 1N4746A
DZ6,DZ8 2 T12702-29 ZENER DIODE, 1W,15V,5% 1N4744A
DZ71T12702-27 ZENER DIODE, 1W,10V,5% 1N4740A
FTP4,FTP5,FTP6,FTP7,FTP8 5 TESTPT_FUNTION FUNCTIONAL TEST POINT
J471S24020-8 CONNECTOR,MOLEX,MINI,PCB,8-PIN,TIN
L1 1 T12218-14 CHOKE,470UH,10%,11.4A,RADIAL
Q1 1T12704-72K2 MOSFET/HEATSINK ASBLY,T12704-72&S20590-2(SS)
Q5,Q6,Q7 3 T12704-68 TRANSISTOR,NPN,TO226,0.5A,40V,2N4401
R1,R2,R71,R72 4 S25365-00R1 RESISTOR,STAND-UP,WW,5W,0.1,5%
R5,R10 2 S19400-1002 RESISTOR,MF,1/4W,10.0K,1%
R6 1S19400-9092 RESISTOR,MF,1/4W,90.9K,1%
R7,R52 2 S19400-1821 RESISTOR,MF,1/4W,1.82K,1%
R8 1S19400-20R0 RESISTOR,MF,1/4W,20.0,1%
R9,R20 2 S19400-2673 RESISTOR,MF,1/4W,267K,1%
R111S19400-4321 RESISTOR,MF,1/4W,4.32K,1%
R121S19400-2213 RESISTOR,MF,1/4W,221K,1%
R14,R15,R16 3 S25365-3300 RESISTOR,STAND-UP,WW,5W,330,5%
R17,R18,R19 3 S19400-8251 RESISTOR,MF,1/4W,8.25K,1%
R211S19400-5622 RESISTOR,MF,1/4W,56.2K,1%
R37,R38 2 S19400-3322 RESISTOR,MF,1/4W,33.2K,1%
R39,R40,R64,R65,R66,R67 6 S19400-1003 RESISTOR,MF,1/4W,100K,1%
R511S19400-1000 RESISTOR,MF,1/4W,100,1%
R551S19400-1503 RESISTOR,MF,1/4W,150K,1%
R601S19400-3321 RESISTOR,MF,1/4W,3.32K,1%
R61,R73,R74,R75 4 S19400-47R5 RESISTOR,MF,1/4W,47.5,1%
R621S19400-6810 RESISTOR,MF,1/4W,681,1%
R631S19400-2211 RESISTOR,MF,1/4W,2.21K,1%
R681S19400-1004 RESISTOR,MF,1/4W,1.00M,1%
R691S19400-7501 RESISTOR,MF,1/4W,7.50K,1%
R701S19400-4753 RESISTOR,MF,1/4W,475K,1%
TP1,TP2 2 T13640-24 MOV,175VRMS,120J,20MM
X1 1M15458-8 IC,PWM-CONTROLLER,IMODE,2843A
X2 1S15128-4 OP-AMP,QUAD, GEN-PURPOSE,224N
G-5
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